Tax Planner vs. DIY: Which Is Right for You?

Tax software has gotten very good. For a W-2 employee with a straightforward return, TurboTax or H&R Block can handle the job competently and cheaply.

But "filing your taxes" and "planning your taxes" are two different things. Software can file what happened. It cannot tell you what should have happened — or what you can do differently next year to pay less.

Here is an honest look at when DIY makes sense, when it does not, and what you are actually giving up when you skip professional tax planning.

When DIY Taxes Make Sense

Tax software is a reasonable choice if your situation is genuinely simple:

• You have one or two W-2 jobs
• You take the standard deduction
• You have no investment income beyond a simple brokerage account
• You do not own a business or rental property
• You have no major life changes — no marriage, divorce, inheritance, or large asset sales

If that describes you, a good tax software program will probably get your return right. The standard deduction for 2026 is substantial, and most people with simple situations do not benefit from itemizing anyway.

When DIY Taxes Start Costing You Money

The problem with tax software is not that it makes mistakes — it is that it only knows what you tell it. It cannot ask the right questions. It cannot identify planning opportunities you did not know existed. And it cannot tell you that a decision you made in March is going to cost you significantly more in April.

Here are the situations where DIY taxes most commonly leave money on the table.

You Own a Business

Self-employment income opens up a wide range of deductions and planning opportunities that software handles poorly. The home office deduction, vehicle expenses, retirement plan contributions, health insurance deductions, and the qualified business income (QBI) deduction all require judgment calls that software is not equipped to make.

More importantly, business owners have real opportunities to reduce their tax bill through entity structure, timing of income and expenses, and retirement plan design. A sole proprietor paying self-employment tax on $150,000 of net income might save $10,000 or more per year by restructuring as an S corporation and paying themselves a reasonable salary. Software will not suggest this. A tax planner will.

You Own Rental Property

Rental property has its own set of rules — depreciation, passive activity limitations, the real estate professional exception, cost segregation, and 1031 exchanges. Software can handle basic rental income and expenses, but it will not tell you whether a cost segregation study makes sense for your property, how to time a sale to minimize depreciation recapture, or whether you qualify for real estate professional status.

You Are Retired or Approaching Retirement

Retirement creates a complex tax picture that software is not designed to optimize. The interaction between Social Security, required minimum distributions, Medicare premium surcharges, Roth conversions, and capital gains rates requires planning — not just reporting.

For example: if you are in a low-income year before RMDs begin, it may make sense to do a Roth conversion to fill up your current tax bracket at a lower rate than you will face later. Software will not identify this opportunity. A tax planner will.

You Had a Major Life Event

Marriage, divorce, the death of a spouse, an inheritance, a large asset sale, a business sale, or a move to a new state all create tax complexity that software handles poorly. These events often involve one-time planning opportunities — or one-time pitfalls — that require professional judgment.

You Received an IRS Notice

If the IRS has contacted you about your return, do not try to handle it yourself. An Enrolled Agent or CPA can read the notice, tell you exactly what it means, and respond appropriately. Responding incorrectly — or ignoring a notice — can turn a small issue into a large one.

What You Are Actually Paying For

When people think about the cost of hiring a CPA, they usually think about the fee. What they do not think about is what they are getting in return.

Accuracy — A professional is responsible for the accuracy of your return. If there is an error, they fix it. If there is an audit, they represent you.

Planning — A good tax professional does not just file what happened. They help you make decisions throughout the year that reduce what you owe. That might mean timing a Roth conversion, adjusting estimated payments, structuring a business expense, or planning a property sale.

Peace of mind — Knowing that a licensed professional has reviewed your return and stands behind it has real value. Tax season does not have to be stressful.

IRS representation — If you work with a CPA who is also an Enrolled Agent, you have someone who can represent you before the IRS in any matter — audits, collections, appeals — without you needing to hire additional help.

The Real Question: What Is It Costing You to Do It Yourself?

The fee for professional tax preparation is visible. The cost of missed planning opportunities is invisible — but it is often much larger.

A business owner who does not know about the S corporation election pays thousands more in self-employment tax every year. A retiree who does not plan Roth conversions pays a higher rate on RMDs for the rest of their life. A real estate investor who does not understand depreciation recapture gets surprised at closing.

These are not hypothetical scenarios. They happen every year to people who assumed their tax situation was simple enough to handle themselves.

A Simple Test

Ask yourself these questions:

1. Did I pay more in taxes last year than I expected?
2. Do I own a business, rental property, or significant investments?
3. Have I had any major life changes in the past two years?
4. Am I within ten years of retirement — or already retired?
5. Have I ever received an IRS notice?

If you answered yes to any of these, a conversation with a tax professional is worth your time. The consultation itself will tell you whether professional help makes sense for your situation.

Working With Sarasota Tax Planning

At Sarasota Tax Planning, we work with clients year-round — not just during tax season. That means we are available when you have a question in July, when you are making a business decision in September, and when you are planning a property sale in November.

Katie C. Pepin, CPA, EA brings both the accounting expertise of a CPA and the IRS representation authority of an Enrolled Agent. If you are ready to stop guessing and start planning, contact us to schedule a consultation.